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In the manufacture of thin film photovoltaic cells, electrical and electromagnetic fields generated from process equipment may present health and safety hazards. Radio-frequency plasma-deposition and sputtering equipment may emit non-ionizing radiation into the occupational work-space Lasers and other electrical equipment may present hazards to employees in the form of electrical shock, eye injury and electromagnetic radiation. These hazards are characterized by reference to their potential to affect health and by reference to people exposed. The identified hazards are occupational; they do not jeopardize the health and safety of the public outside the plant. Existing controls of electromagnetic radiation are adequate, but monitoring techniques and devices should be improved, and frequent measurement programs should be introduced. Control technology effective in preventing hazards from lasers and high-voltage devices is well-established. Control technology options are reviewed.